Home / 19,738.25-27,250.94-12,677.12

Finding the Fourth Proportional to 19,738.25, 27,250.94 and 12,677.12

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Solution

The fourth proportional to 19,738.25, 27,250.94 and 12,677.12 is: 17,502.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,738.25 : 27,250.94 = 12,677.12 : x
  2. Step 2: Convert to fraction form
    19,738.25/27,250.94 = 12,677.12/x
  3. Step 3: Cross multiply
    19,738.25x = 27,250.94 × 12,677.12
  4. Step 4: Simplify right side
    19,738.25x = 345,463,436.49
  5. Step 5: Solve for x
    x = 345,463,436.49/19,738.25
  6. Step 6: Final answer
    x = 17,502.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.